Seattle Mariners: Breaking News, Rumors & Highlights

Woo or Gilbert? The Mariners’ Opening Day Starter Debate

The Mariners have, for years now, boasted one of the deepest starting rotations in the league. They have built a roster, development program, and farm system that prioritizes pitching, leaning into the advantage pitchers have at T-Mobile in Seattle.

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The Morning Bark

The Quiz of the Day

Mariners News, 3/14/26: Dane Dunning, José Berríos, and Caleb Ferguson

Good morning everyone, and welcome to the weekend! Though the Mariners lost to the Dodgers 10-7 in yesterday’s spring bout, we saw the first Cactus League homer of the year from Colt Emerson in the latest stages of the contest.

Seattle Mariners News / Larry Brown Sports / March 14

Cal Raleigh snubs another Mariners teammate during WBC

Raleigh threw friendship out the window once he stepped onto the World Baseball Classic diamond on Friday against Team Canada.

Team USA advances to WBC semifinal, but has one concerning issue

Team USA holds on against Canada to reach WBC semis

The 'Last 30-HR season by MLB team' quiz

Seattle Mariners News / Lookout Landing / March 13

Mariners Spring Training 2026, Game #21

The Kade Anderson Revolution will be televised. Tonight’s match-up against the Dodgers will be broadcast on SNLA, and it’s an evening game, so you might even get to watch it.

New York Yankees News / Yardbarker Quizzes

The '50-HR, .300 average MLB seasons' quiz

How many of the 20 MLB players to bat .300 and mash 50 home runs in the same season can you name in five minutes?

The 'Last 40-homer season by MLB team' quiz

The 'Active 100-RBI MLB season leaders' quiz

The 'Live-Ball Era strikeout leaders' quiz

Seattle Mariners News / Seattle Mariners on SI / March 13

Mariners Unintentionally Turn The World Baseball Classic Into A Reality Show

The funniest part of this whole Mariners-at-the-WBC run is that none of it actually feels all that serious. It just keeps getting packaged like the team accidentally signed up for a baseball version of reality TV.

Athletics News / Yardbarker

One storyline to follow for every MLB team in 2026

As Spring Training opens for 2026, all 30 teams have high hopes and big questions. These are the storylines to follow for each team heading into Opening Day.

Seattle Mariners News / Athlon Sports / March 13

Mariners' Dan Wilson Announces Randy Arozarena News Amid World Baseball Classic

The Seattle Mariners have one of the most talented rosters in MLB and are well‑equipped to win a second straight American League West title this year. However, as the season approaches, two of the team’s most important players have been involved in an unexpected situation, outfielder Randy Arozarena and catcher Cal Raleigh.

Julio Rodriguez News / MLB on ClutchPoints / March 13

Mariners’ Julio Rodriguez values winning WBC more than World Series

Seattle Mariners star Julio Rodriguez is part of Team Dominican Republic in the World Baseball Classic. While the DR is looking like a true power house, Rodriguez shared what is likely a hot take about the WBC Championship and the World Series.

Cole Young News / Seattle Mariners on SI / March 13

Seattle Mariners Second Base Battle May Be Nearing A Clear Winner

For a while, second base felt a little blurry. Let camp play out and let the competition breathe. But this is starting to look a lot more like Seattle is quietly landing on its answer.

Seattle Mariners News / Lookout Landing / March 13

Mariners News, 3/13/26: Brennen Davis, Jalen Beeks, and Danny Coulombe

Good morning everyone! Happy Friday. Emerson Hancock continued to look sharp last night, but the Mariners fell to the Cubs 7-4. If Hancock is indeed placed back into a starting role with Bryce Miller ailing, we’ll have to hope he can find some consistency out on the mound.

Bryce Miller News / Seattle Mariners on SI / March 13

Seattle Mariners Rotation Options If Bryce Miller Opens Season On IL

The Mariners have spent the last few years building a rotation that is supposed to be able to absorb something like this. Now they might actually have to lean on it.

Seattle Mariners News / Total Pro Sports / March 13

Randy Arozarena Is Not Letting Go Of Every Opportunity To Slam Cal Raleigh

The World Baseball Classic was certainly entertaining, but one particular incident could never be forgotten: Cal Raleigh snubbed Randy Arozarena at the plate.

Athletics News / Yardbarker

25 MLB players that could be traded during the 2026 season

The 2026 MLB season is right around the corner, and it is never too early to start thinking about how it might unfold. Seemingly, every year, we have a decent handle on who should contend and who is likely to struggle, which makes looking ahead to the trade deadline inevitable.

Josh Naylor News / Athlon Sports / March 12

Josh Naylor Makes Admission About USA-Canada World Baseball Classic Game

Team Canada is set to play in the World Baseball Classic quarterfinals for the first time in the ball club's history. Their opponent? The talented Team USA squad.

Seattle Mariners News / Lookout Landing / March 12

Mariners Spring Training 2026, Game #20

With the news yesterday that Bryce Miller’s timeline will be delayed by at least a week, today’s Emerson Hancock start against the Cubs takes on a bit more significance.

Click here to get Yardbarker's Quiz of the Day emailed to you!

The '21+ made free throws in an NBA game' quiz

The '100-rushing-yard Super Bowls' quiz

The '1K-yard, 10-TD-catch NFL seasons' quiz

The '4,500-yard NFL passers' quiz

Yorger Bautista News / Lookout Landing / March 12

Mariners Prospect Rankings #11, OF Korbyn Dickerson

Making his debut in our prospect rankings at #11, Dickerson and Tuesday’s entry Yorger Bautista were actually tied in our initial run through of our scoring system, though we opted to give the edge to Dickerson upon tie breaker.

Logan Gilbert News / Seattle Mariners on SI / March 12

Logan Gilbert’s Evolving Arsenal Could Elevate Mariners In A Huge Way

The interesting thing about Logan Gilbert is that he never really pitches like a guy who needs to reinvent anything. He’s been a frontline starter. And

Bryce Miller News / Seattle Mariners on SI / March 12

Mariners’ Bryce Miller Setback Clouds Opening Day Outlook

The Mariners did not need another spring complication in the rotation, but Bryce Miller gave them one anyway. Miller’s first full-effort bullpen since dealing with left side oblique inflammation was cut short on March 11 after he felt discomfort in the area.

Seattle Mariners News / MLB on ClutchPoints / March 11

Team Mexico manager reacts to Randy Arozarena-Cal Raleigh World Baseball Classic situation — ‘They’re big boys’

The 2026 World Baseball Classic has been filled with many highlights. However, the perceivedrift between Seattle Mariners teammates Randy Arozarena and Cal Raleigh garnered much attention.

Lazaro Montes News / Seattle Mariners on SI / March 11

Mariners’ Spring Cuts Offer a Sobering Reminder for Lazaro Montes

The Mariners made another round of spring roster cuts on March 11, and while none of the names should stun anybody, one of them does carry a little extra weight.

Miles Mastrobuoni News / MLB on ClutchPoints / March 11

Mariners’ Miles Mastrobuoni returns to camp after WBC injury vs. Team USA

Seattle Mariners utility infielder Miles Mastrobuoni is leaving Team Italy at the World Baseball Classic and returning to the club’s spring training camp in Arizona after suffering a calf injury during Italy’s shocking upset win over Team USA on Tuesday night.

Bryce Miller News / MLB Trade Rumors / March 11

Bryce Miller May Start Season On Injured List

Mariners right-hander Bryce Miller may not be available for the start of the season. Per Ryan Divish of The Seattle Times, Miller felt some soreness in his left side today and didn’t finish his bullpen session.

Josh Naylor News / Athlon Sports / March 11

Mariners Receive Josh Naylor News at World Baseball Classic

The Seattle Mariners opened the offseason by committing to first baseman Josh Naylor in free agency, signing him to a five‑year, $92.5 million deal. It is easy to see why Seattle invested heavily in the 28‑year‑old left‑handed slugger.

Brennen Davis News / Last Word On Sports / March 10

Can Brennen Davis Force a Mariners Roster Decision?

Following his selection in the second round of the 2018 draft, outfielder Brennen Davis has yet to live up to his hype. The Chicago Cubs drafted him, and later DFA’d him in 2025 after a series of injuries kept him off the field nearly every season during his time in Chicago.

Seattle Mariners News / Larry Brown Sports / March 10

Randy Arozarena goes off on Cal Raleigh over handshake snub

Seattle Mariners teammates Randy Arozarena and Cal Raleigh are suddenly at odds thanks to the World Baseball Classic. Arozarena faced off against Raleigh when Team Mexico faced the United States on Monday night in the WBC at Daikin Park in Houston, Tex.

MLB News / Yardbarker / March 8

Pair of recent Yankees departures raking this spring

Let’s check in on this duo as they attempt to earn a shot at playing in the majors with their new squads.

The 'MLB player name riddles' quiz

Seattle Mariners News / Just Baseball / March 5

Keep an Eye on the Mariners’ Back-End Bullpen Trio

Fresh off an American League West title in 2025, the Seattle Mariners remain one of Major League Baseball’s top teams. Led by Cal Raleigh and Julio Rodríguez, the squad remains hungry and will be back in the hunt for their first World Series title in 2026.